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water pressure switch / differential / for the chemical industry / for the petrochemical industry
PD series



  • Fluid:

    for water

  • Technology:


  • Applications:

    for the chemical industry, for the petrochemical industry

  • Other characteristics:

    adjustable, adjustable, IP66

  • Pressure range:

    Max.: 3,000 psi

    Min.: 2 psi


The Ashcroft® PD differential pressure switch was designed for use with harsh applications where uncompromising protection is required. It combines field-proven technology, stability and long cycling, making it ideal for satisfying pressure control, shutdown or alarm operations.

Key Features:
Explosion proof housing
Dual chamber design allows for field calibration to be performed safely even with the power connected
Wide selection of switch elements and wetted materials
Multiple process connection available
Adjustable setpoints from 15%-100% of range
Fixed or adjustable deadbands
Accuracy: ±1.00% full scale
NEMA 7/9 (IP66) aluminum enclosure
Single or dual setpoints
Differential pressure ranges: 30" IWD to 400 psid